青藏高原甘孜县水生植物群落调查

STUDY OF COMMUNITIES OF AQUATIC VASCULAR PLANTS IN GANZHI COUNTY IN QINGHAI-XIZANG PLATEAU

摘要: 甘孜县位于青藏高原东缘,约界于31°20'～32°50'N,99°10'～102°20'E之间。有11种水生植物群落分布于此地。这些群落是:水麦冬-小叶眼子菜群落、海韭菜群落、杉叶藻群落、看麦娘群落、西伯利亚蓼群落、水葱群落、两栖蓼-荇菜群落、帕米尔苔草群落、龙须眼子菜群落、菹草群落、穗花狐尾藻群落。在以上群落中有水生维管束植物26种。群落的优势种以北温带分布的植物为主。

Abstract: Ganzhi County is located in east margin region of Qinghai-Xizhang Plateau,and located in 31°20'～32°50'N,99°10'～102°20'E.11 aquatic plant communities distribute in the area,that are Co.Triglochin palustre-Potamogeton cristatus, Co.Triglochin maratinum, Co.Hippuris vulgaris, Co.Alopecurus aequalis, Co.Polygonum sibiricum,Co.Scirpus tabernamontani, Co.Polygonum amphibium-Nymphoides pallatum, Co.Carex pamirensis, Co.Potamogeton pectinatus, Co.Potamogeton crispus, Co.Myriophyllum spicatum.Above communities contain 26 species of aquatic vascular plants.Community dominanties almost all are North Temperate plants.